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450248868500 = 2253900497737
BaseRepresentation
bin1101000110101001110…
…11001000001010010100
31121001011121200101000112
412203110323020022110
524334102202243000
6542501431502152
744346405143624
oct6432473101224
91531147611015
10450248868500
11163a49825aa2
1273317527958
13335c5b15722
1417b13996884
15baa304c235
hex68d4ec8294

450248868500 has 24 divisors (see below), whose sum is σ = 983343529896. Its totient is φ = 180099547200.

The previous prime is 450248868499. The next prime is 450248868521. The reversal of 450248868500 is 5868842054.

It can be written as a sum of positive squares in 4 ways, for example, as 23100352144 + 427148516356 = 151988^2 + 653566^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450248369 + ... + 450249368.

It is an arithmetic number, because the mean of its divisors is an integer number (40972647079).

Almost surely, 2450248868500 is an apocalyptic number.

It is an amenable number.

450248868500 is an abundant number, since it is smaller than the sum of its proper divisors (533094661396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450248868500 is a wasteful number, since it uses less digits than its factorization.

450248868500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900497756 (or 900497744 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 50.

The spelling of 450248868500 in words is "four hundred fifty billion, two hundred forty-eight million, eight hundred sixty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 900497737 1800995474 3601990948 4502488685 9004977370 18009954740 22512443425 45024886850 90049773700 112562217125 225124434250 450248868500